Home Postcode finder VIC Guys Forest Guys Forest postcode VIC Guys Forest is a locality in Victoria covered by postcode 3709. Postcode 3709 State or territory Victoria (VIC) Region Vic Far Country Add a free Guys Forest business listing Be the first listing in Guys Forest Common questionsWhat is the postcode for Guys Forest?Guys Forest, VIC has the postcode 3709.What state is Guys Forest in?Guys Forest is in Victoria (VIC).Does postcode 3709 cover more than one suburb?Yes. Postcode 3709 covers 5 localities, so the postcode alone does not identify Guys Forest. Browse other postcodes in Victoria, or widen the search to every Australian postcode.